CFL vs. incandescent: Battle of the bulb
Datum:2011-05-24 13:01
ms worked up enough and theyll produce a visible glow, too.
Metallic atoms are also the light source in fluorescent lamps, but they use vaporized mercury instead of a solid filament. The incoming electrical current is carried through a glass tube, straight or coiled, thats filled with mercury vapor and argon gas. The electrified mercury atoms begin vibrating and releasing invisible ultraviolet light, which in turn excites a fluorescent phosphor coating on the inside of the tube, finally produc
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